The Governor of this state shall, on or before the 1st day of June of each year, issue a proclamation recommending that June 14th, Flag Day, be observed by the people of this state by the display of the flag of the United States of America, and in such other ways as will be in harmony with the general character of the day. Laws 1939, p. 7, § 1.
Okla. Stat. tit. 25, § 151
Flag day - Proclamation by Governor
Official source: Oklahoma Legislature. Reproduced from public-domain Oklahoma statutes; confirm against the official source for the current text. Not legal advice.